问题
单项选择题
You believe that the likelihood of bankruptcy is 30% for Rusty Roof Supply. You also believe that Home Pedot has a 20% of entering bankruptcy. You believe that the two events are independent. What is the probability that at least one of the companies will enter bankruptcy
A.
A. 6.0%. |
B.
B.4.0%. |
C.
C.44.0%. |
答案
参考答案:C
解析:The probability is given by [1-(1-30%)×(1-20%)]=44.0%.